General Motors Company (NYSE: GM) will offer buyers of its 2012 and 2013 Chevrolet models a 60-day money back guarantee, CNN reported Tuesday.

The company, whose 2013 models will hit showrooms next month, also is marking down its 2012 model year cars with new no-haggle prices that are significantly lower than their suggested retail prices.

Shares fell 20 cents to $20.02 in midday trading.